Rheem SP11700 Electric Thermostat For best results, use only Rheem replacement parts for repairing your Rheem Water Heater Manufacturer: TOD, Manufacturer Series: 59T/66T, High Limit Control: Manual Reset, High Limit Setting (F): 170, High Limit Tolerance (F): +/- 5 High Limit Contact Configuration: SPST, Thermostat Adjustment Range (F): 90 to 150, Thermostat Tolerance (F): +/- 5 Thermostat Differential (F): 5 to 15, Thermostat Contact Configuration: SPST Kits which contain this part: 15A526